Live feed16:44:21·1547dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $30,247 worth of shares (2,985 units at $10.13), increasing direct ownership by 7% to 44,506 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source